#header-area {
	width: 100%;
	position: fixed;
	left: 0;
	top: 0;
	z-index: 666;
	min-width: 280px;
}

#header-div1 {
	position: relative;
	width: 100%;
	max-width: 1280px;
	margin: 0 auto;
	transition: all 0.3s;
	/*overflow: hidden;*/
	box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1);
}

.header-ul {
	background: rgba(255, 255, 255, 0.9);
}
#header-div1 .header-li {
	position: relative;
	height: 1.5rem;
	font-size: 0.4rem;
	line-height: 1.5rem;
	box-sizing: border-box;
	text-align: center;
	transition: all 0.3s;
	color: rgb(255, 131, 75);
}

.header-li a {
	display: block;
	width: 100%;
	height: 100%;
	transition: all 0.3s;
	color: inherit;
	letter-spacing: 0.15rem;
}

.header-li img {
	height: 100%;
	width: auto;
	display: block;
	margin: 0 auto;
}

.header-li:not(:first-of-type):hover a {
	background: orange;
	color: white;
	font-weight: 800;
}

.search-li {
	position: relative;
	background: url(../img-first-page/搜索镜1.png) no-repeat center/contain;
}

.search-div {
	height: 80%;
	width: 0%;
	border: 0.05rem solid orange;
	border-radius: 0.75rem;
	box-sizing: border-box;
	position: absolute;
	right: 0;
	top: 100%;
	z-index: 20;
	opacity: 0;
	overflow: hidden;
	transition: all 0.5s;
}

.search-li:hover .search-div {
	width: 200%;
	opacity: 1;
}


/*.search-li:hover {
			background: white;
		}*/

.search-div input {
	height: 100%;
	box-sizing: border-box;
	padding: 0.1rem;
	background: white;
}

input {
	outline: none;
	border: none;
	background: inherit;
}

.search-input {
	flex: 1;
}

.search-input+input {
	width: 1.2rem;
	min-width: 48px;
	border-left: 0.025rem solid orange;
	background: white url(../img-first-page/搜索镜1.png) no-repeat center center/contain;
}
/*发物流、关于我们模块，开始start*/
#allocate-goods>a,
#about-us>a {
	letter-spacing: 0;
}

#allocate-goods>a img,
#about-us>a img {
	width: 0.25rem;
	height: 0.25rem;
	display: inline-block;
	margin-left: 0.25rem;
	transition: all 0.3s;
}

#allocate-goods:hover>a img,
#about-us:hover>a img {
	transform: rotate(180deg);
}

.goods-expression-ul,
.about-us-ul {
	position: absolute;
	top: 100%;
	left: 0;
	z-index: 20;
	width: 100%;
	letter-spacing: 0;
	transition: all 0.3s;
	transform: scale(0) rotate(180deg);
	opacity: 0;
}
.goods-expression-ul > li,
.about-us-ul > li {
	width: 100%;
	height: 1rem;
	line-height: 1rem;
	font-size: 0.4rem;
	
}
.goods-expression-ul > li:hover,
.about-us-ul > li:hover {
	background: lawngreen;
	
}
#allocate-goods:hover .goods-expression-ul,
#about-us:hover .about-us-ul {
	transform: scale(1);
	opacity: 1;
}
/*发物流、关于我们，结束 end*/

@media screen and (min-width: 0px) and (max-width: 449px) {
	#header-div1 {
		height: 1.5rem;
		overflow: hidden;
	}
	#header-div1:hover {
		height: 9rem;
		overflow: visible;
	}
	#header-div1 .header-li {
		width: 50%;
	}
	section#section-area {
		margin-top: 1.5rem;
	}
}

@media screen and (min-width: 450px) and (max-width: 749px) {
	#header-div1 {
		height: 1.5rem;
		overflow: hidden;
	}
	#header-div1:hover {
		height: 4.5rem;
		overflow: visible;
	}
	#header-div1 .header-li {
		width: 25%;
	}
	section#section-area {
		margin-top: 1.5rem;
	}
	/*.show-or-hide-div {
		display: block;
	}*/
}

@media screen and (min-width: 750px) {
	
	#header-div1 .header-li {
		width: 16.66%;
		height: 1rem !important;
		font-size: 0.3rem !important;
		line-height: 1rem !important;
	}
	section#section-area {
		margin-top: 3rem;
	}
}